Dec 15 15:23:43.744 INFO testing expectation-0.1.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 15:23:43.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:23:44.178 INFO [stdout] c6cfb6a146654ed4d623c6b0293e41c4b6f846e7de84ba66104193bc460dfb6f
Dec 15 15:23:44.183 INFO running `"docker" "start" "-a" "c6cfb6a146654ed4d623c6b0293e41c4b6f846e7de84ba66104193bc460dfb6f"`
Dec 15 15:23:45.515 INFO [stderr] usermod: no changes
Dec 15 15:23:45.703 INFO [stderr]    Compiling expectation-shared v0.1.0
Dec 15 15:23:45.703 INFO [stderr]    Compiling image v0.19.0
Dec 15 15:23:58.443 INFO [stderr]    Compiling expectation v0.1.1 (/source)
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:136:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 136 |                 writeln!(w, "image formats are different");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:137:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 137 |                 writeln!(w, "actual:   RGB8");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:138:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 138 |                 writeln!(w, "expected: RGBA8 (Alpha)");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:144:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 144 |                 writeln!(w, "image formats are different");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:145:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 145 |                 writeln!(w, "actual:   RGBA8 (Alpha)");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.391 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:03.391 INFO [stderr]    --> src/extensions/image.rs:146:17
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr] 146 |                 writeln!(w, "expected: RGB8");
Dec 15 15:24:03.391 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:03.391 INFO [stderr]     |
Dec 15 15:24:03.391 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:03.391 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:03.391 INFO [stderr] 
Dec 15 15:24:03.865 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.32s
Dec 15 15:24:03.879 INFO [stderr] su: No module specific data is present
Dec 15 15:24:04.320 INFO running `"docker" "inspect" "c6cfb6a146654ed4d623c6b0293e41c4b6f846e7de84ba66104193bc460dfb6f"`
Dec 15 15:24:04.557 INFO running `"docker" "rm" "-f" "c6cfb6a146654ed4d623c6b0293e41c4b6f846e7de84ba66104193bc460dfb6f"`
Dec 15 15:24:04.701 INFO [stdout] c6cfb6a146654ed4d623c6b0293e41c4b6f846e7de84ba66104193bc460dfb6f
Dec 15 15:24:04.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:24:04.979 INFO [stdout] fc1b9a292b44c6f530f09740a9223320867bd8ad34ab380d374949491126ffee
Dec 15 15:24:04.981 INFO running `"docker" "start" "-a" "fc1b9a292b44c6f530f09740a9223320867bd8ad34ab380d374949491126ffee"`
Dec 15 15:24:05.519 INFO [stderr] usermod: no changes
Dec 15 15:24:05.607 INFO [stderr]    Compiling expectation v0.1.1 (/source)
Dec 15 15:24:09.560 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.560 INFO [stderr]    --> src/extensions/image.rs:136:17
Dec 15 15:24:09.561 INFO [stderr]     |
Dec 15 15:24:09.561 INFO [stderr] 136 |                 writeln!(w, "image formats are different");
Dec 15 15:24:09.561 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.561 INFO [stderr]     |
Dec 15 15:24:09.562 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 15:24:09.562 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.562 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.562 INFO [stderr] 
Dec 15 15:24:09.562 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.563 INFO [stderr]    --> src/extensions/image.rs:137:17
Dec 15 15:24:09.563 INFO [stderr]     |
Dec 15 15:24:09.563 INFO [stderr] 137 |                 writeln!(w, "actual:   RGB8");
Dec 15 15:24:09.563 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.564 INFO [stderr]     |
Dec 15 15:24:09.564 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.564 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.564 INFO [stderr] 
Dec 15 15:24:09.564 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.565 INFO [stderr]    --> src/extensions/image.rs:138:17
Dec 15 15:24:09.565 INFO [stderr]     |
Dec 15 15:24:09.565 INFO [stderr] 138 |                 writeln!(w, "expected: RGBA8 (Alpha)");
Dec 15 15:24:09.565 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.566 INFO [stderr]     |
Dec 15 15:24:09.566 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.566 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.566 INFO [stderr] 
Dec 15 15:24:09.566 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.567 INFO [stderr]    --> src/extensions/image.rs:144:17
Dec 15 15:24:09.567 INFO [stderr]     |
Dec 15 15:24:09.567 INFO [stderr] 144 |                 writeln!(w, "image formats are different");
Dec 15 15:24:09.567 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.568 INFO [stderr]     |
Dec 15 15:24:09.568 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.568 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.568 INFO [stderr] 
Dec 15 15:24:09.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.569 INFO [stderr]    --> src/extensions/image.rs:145:17
Dec 15 15:24:09.569 INFO [stderr]     |
Dec 15 15:24:09.569 INFO [stderr] 145 |                 writeln!(w, "actual:   RGBA8 (Alpha)");
Dec 15 15:24:09.569 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.569 INFO [stderr]     |
Dec 15 15:24:09.569 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.569 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.569 INFO [stderr] 
Dec 15 15:24:09.569 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 15:24:09.569 INFO [stderr]    --> src/extensions/image.rs:146:17
Dec 15 15:24:09.569 INFO [stderr]     |
Dec 15 15:24:09.569 INFO [stderr] 146 |                 writeln!(w, "expected: RGB8");
Dec 15 15:24:09.569 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 15:24:09.569 INFO [stderr]     |
Dec 15 15:24:09.569 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 15:24:09.569 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 15:24:09.569 INFO [stderr] 
Dec 15 15:24:12.442 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.91s
Dec 15 15:24:12.447 INFO [stderr] su: No module specific data is present
Dec 15 15:24:12.830 INFO running `"docker" "inspect" "fc1b9a292b44c6f530f09740a9223320867bd8ad34ab380d374949491126ffee"`
Dec 15 15:24:12.912 INFO running `"docker" "rm" "-f" "fc1b9a292b44c6f530f09740a9223320867bd8ad34ab380d374949491126ffee"`
Dec 15 15:24:13.019 INFO [stdout] fc1b9a292b44c6f530f09740a9223320867bd8ad34ab380d374949491126ffee
Dec 15 15:24:13.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:24:13.243 INFO [stdout] 1f3a39a245d9d48ae8ad63311017d6d04969774d4061f0a56096a52325bc68c7
Dec 15 15:24:13.243 INFO running `"docker" "start" "-a" "1f3a39a245d9d48ae8ad63311017d6d04969774d4061f0a56096a52325bc68c7"`
Dec 15 15:24:13.651 INFO [stderr] usermod: no changes
Dec 15 15:24:13.737 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 15 15:24:13.751 INFO [stderr]      Running /target/debug/deps/expectation-05397a039a8d6152
Dec 15 15:24:13.753 INFO [stdout] 
Dec 15 15:24:13.753 INFO [stdout] running 10 tests
Dec 15 15:24:13.754 INFO [stdout] test provider::writer_does_not_write_to_filesystem_if_not_written_to ... ok
Dec 15 15:24:13.754 INFO [stdout] test test::validate_one_file_expected_not_found ... ok
Dec 15 15:24:13.754 INFO [stdout] test test::validate_one_file_diff_is_bad_with_text_extension ... ok
Dec 15 15:24:13.754 INFO [stdout] test test::not_used_provider ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::validate_one_file_expected_not_found_subdir ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::validate_on_no_files ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::validate_one_file_actual_not_found ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::validate_one_file_diff_is_bad ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::provider_used_more_than_once ... ok
Dec 15 15:24:13.755 INFO [stdout] test test::provider_used_once ... ok
Dec 15 15:24:13.755 INFO [stdout] 
Dec 15 15:24:13.755 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:24:13.755 INFO [stdout] 
Dec 15 15:24:13.756 INFO [stderr]    Doc-tests expectation
Dec 15 15:24:20.602 INFO [stdout] 
Dec 15 15:24:20.602 INFO [stdout] running 0 tests
Dec 15 15:24:20.602 INFO [stdout] 
Dec 15 15:24:20.602 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:24:20.602 INFO [stdout] 
Dec 15 15:24:20.611 INFO [stderr] su: No module specific data is present
Dec 15 15:24:21.156 INFO running `"docker" "inspect" "1f3a39a245d9d48ae8ad63311017d6d04969774d4061f0a56096a52325bc68c7"`
Dec 15 15:24:21.433 INFO running `"docker" "rm" "-f" "1f3a39a245d9d48ae8ad63311017d6d04969774d4061f0a56096a52325bc68c7"`
Dec 15 15:24:21.710 INFO [stdout] 1f3a39a245d9d48ae8ad63311017d6d04969774d4061f0a56096a52325bc68c7